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Mobiles› Compare Mobile Phones› Xiaomi Redmi K20 Pro vs Samsung Galaxy A51

Xiaomi Redmi K20 Pro vs Samsung Galaxy A51

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Samsung Galaxy A51 X
Compare Samsung Galaxy A51

Rs. 20,999

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Summary
90%
82%
Display

6.39" (16.23 cm)

1080x2340 px, 403 PPI

6.5" (16.51 cm)

1080x2400 px, 405 PPI

Camera

48 MP + 13 MP + 8 MP (Primary)

20 MP(Front)

48 MP + 12 MP + 5 MP + 5 MP (Primary)

32 MP(Front)

Battery

4000 mAh

4000 mAh

32 h talktime (4G)

Performance

Single + Tri + Quad Core

2.84 GHz + 2.42 GHz + 1.8 GHz, 6 GB RAM

Quad + Quad Core

2.3 GHz + 1.7 GHz, 6 GB RAM

Storage

128 GB

Non Expandable

128 GB

512 GB (Expandable)

Expert Rating

★★★★★
★★★★★

Read Expert Review

★★★★★
★★★★★

Read Expert Review

User Rating

★★★★★
★★★★★

4.5/5 based on 86,555 ratings

Read All User Reviews

★★★★★
★★★★★

4.3/5 based on 11,850 ratings

Read All User Reviews

Best Prices
Rs. 23,990 @Amazon Buy
Rs. 24,999 @Tata CL... Buy
Rs. 25,190 @ShopClu... Buy
COUPON: Apply EXTRA12 to get this price
SEE ALL PRICES
Rs. 20,790 @Amazon Buy
Rs. 20,999 @Flipkart Buy
Rs. 20,999 @Tata CL... Buy
SEE ALL PRICES
General
Launch Date

July 22, 2019 (Official)

January 29, 2020 (Official)

Operating System

Android v9.0 (Pie)

Android v10 (Q)

Custom UI

MIUI

Samsung One UI

Performance
Excellent
Very Good
Chipset

Qualcomm Snapdragon 855

Samsung Exynos 9 Octa 9611

CPU

Octa core (2.84 GHz, Single core, Kryo 485 + 2.42 GHz, Tri core, Kryo 485 + 1.8 GHz, Quad core, Kryo 485)

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Architecture

64 bit

64 bit

Fabrication

7 nm

10 nm

Graphics

Adreno 640

Mali-G72 MP3

RAM

6 GB

6 GB

RAM Type

LPDDR4X

LPDDR4X

Display
Very Good
Very Good
Display Type

AMOLED

Super AMOLED

Screen Size

6.39 " (16.23 cm)

6.5 " (16.51 cm)

Resolution

1080 x 2340 pixels

1080 x 2400 pixels

Aspect Ratio

19.5:9

20:9

Pixel Density

403 ppi

405 ppi

Screen to Body Ratio (calculated)

85.9 %

87.44 %

Screen Protection

Corning Gorilla Glass v5,

Corning Gorilla Glass v3,

Bezel-less display

with punch-hole display

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

HDR 10 / HDR+ support

Screen to Body Ratio (claimed by the brand)

91.9 %

Design
Size Compare
Size Compare
Dimensions

Height: 156.7 mm
Width: 74.3 mm
Thickness: 8.8 mm

Height: 158.5 mm
Width: 73.6 mm
Thickness: 7.9 mm

Weight

191 grams

172 grams

Build Material

Back: Gorilla Glass

Back: Plastic

Colours

Flame Red, Glacier Blue, Carbon Fiber Black, Pearl White

Prism Crush White, Prism Crush Black, Prism Crush Pink, Prism Crush Blue

Camera
Very Good
Very Good
Main Camera
Camera Setup

Triple

Quad

Resolution

48 MP f/1.75, Wide Angle Primary Camera(2" sensor size, 0.8µm pixel size)13 MP f/2.4, Wide Angle, Ultra-Wide Angle Camera(3" sensor size, 1.12µm pixel size)8 MP f/2.4 Telephoto (upto 10x Digital Zoom, upto 2x Optical Zoom) Camera(4.0" sensor size, 1.12µm pixel size)

48 MP f/2.0 (upto 8x Digital Zoom) Primary Camera(26 mm focal length, 2.25" sensor size, 0.8µm pixel size)12 MP f/2.2, Wide Angle, Ultra-Wide Angle Camera
5 MP f/2.4, Macro Camera
5 MP f/2.2, Depth Camera

Sensor

Exmor-RS CMOS Sensor

ISO-CELL

Autofocus

, Phase Detection autofocus, Laser autofocus

OIS

No

No

Flash

, Dual LED Flash

, LED Flash

Image Resolution

8000 x 6000 Pixels

8000 x 6000 Pixels

Settings

Exposure compensation, ISO control

Exposure compensation, ISO control

Shooting Modes

Continuos Shooting
High Dynamic Range mode (HDR)

Continuos Shooting
High Dynamic Range mode (HDR)

Camera Features

Auto Flash
Face detection
Touch to focus

8 x Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

3840x2160 @ 30 fps
1920x1080 @ 60 fps
1280x720 @ 120 fps

3840x2160 @ 30 fps

Front Camera
Camera Setup

Single

Single

Resolution

20 MP f/2.2 Primary Camera(0.8µm pixel size)

32 MP f/2.2 Primary Camera(2.8" sensor size, 0.8µm pixel size)

Camera Type

Pop-Up

Autofocus

No

Flash

No

Video Recording

1920x1080 @ 30 fps
1280x720 @ 30 fps

1920x1080 @ 30 fps

Battery
Very Good
Very Good
Capacity

4000 mAh

4000 mAh

Type

Li-Polymer

Li-ion

Removable

No

No

TalkTime

Up to 32 Hours(4G)

Quick Charging

, Quick, v4.0: 58 % in 30 minutes

, Fast, 15W

USB Type-C

Storage
Best in Class
Best in Class
Internal Memory

128 GB

128 GB

Expandable Memory

No

, Up to 512 GB

User Available Storage

Up to 106 GB

USB OTG

Storage Type

UFS 2.1

UFS 2.0

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM, Dual VoLTE

Dual SIM, GSM+GSM

SIM Size

SIM1: Nano
SIM2: Nano

SIM1: Nano
SIM2: Nano

Network Support

4G (supports Indian bands), 3G, 2G

4G (supports Indian bands), 3G, 2G

VoLTE

SIM 1

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

SIM 2

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

SAR Value

Head: 1.03 W/kg, Body: 0.72 W/kg

Head: 0.598 W/kg

Wi-Fi

, Wi-Fi 802.11, a/ac/b/g/n

, Wi-Fi 802.11, ac/b/g/n/n 5GHz

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

Wi-Fi Calling

Bluetooth

, v5.0

, v5.0

GPS

with A-GPS, Glonass

with A-GPS, Glonass

NFC

No

USB Connectivity

Mass storage device, USB charging

Mass storage device, USB charging

Multimedia
FM Radio

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Audio Features

Dolby Atmos

Sensors
Fingerprint Sensor

Fingerprint Sensor Position

On-screen

On-screen

Fingerprint Sensor Type

Optical

Optical

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Price list

Rs. 23,990
Buy Now
Rs. 20,790
Buy Now

Rs. 24,999
Buy Now
Rs. 20,999
Buy Now

Rs. 28,999
Buy Now
Offer: 5% Cashback on Flipkart Axis Bank Card.  View All Offers
Offersx

1. 5% Cashback on Flipkart Axis Bank Card.

2. 10% Off on BOB Mastercard debit card.

3. Get Google Nest Hub (Chalk).

4. Get Google Nest mini at 1,999.

5. No Cost EMI on Flipkart Axis Bank Credit Card.
Rs. 20,999
Buy Now
Offer: 5% Cashback on Flipkart Axis Bank Card.  View All Offers
Offersx

1. 5% Cashback on Flipkart Axis Bank Card.

2. 10% Off on BOB Mastercard debit card.

3. Flat 5000 Off.

4. Get Google Nest Hub (Chalk).

5. Get Google Nest mini at 1,999.

6. No Cost EMI on Flipkart Axis Bank Credit Card.

7. No cost Emi on Bajaj Finserv.

Rs. 25,190
Buy Now

COUPON: Apply EXTRA12 to get this price
Offer: Get Flat Rs 100 off On Prepaid Orders  View All Offers
Offersx

1. Get Flat Rs 100 off On Prepaid Orders

2. Get Extra 12 percent off on Prepaid Orders
Rs. 26,499
Buy Now

COUPON: Apply EXTRA12 to get this price
Offer: Get Flat Rs 100 off On Prepaid Orders  View All Offers
Offersx

1. Get Flat Rs 100 off On Prepaid Orders

2. Get Extra 12 percent off on Prepaid Orders

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Rs. 20,999
Buy Now

Related Comparisons

Related Questions

Ask a Question

  • How to cast my Samsung Galaxy A51 screen on TV ?

    M

    Answered By Maheshwar Rao | 1 years ago

    To cast your phone screen on your TV you need to have Chromecast.
    Follow the steps to successfully cast your screen-

    Before you begin casting

    1. Connect your phone to a Wi-Fi network.
    2. The mobile device, tablet or computer you are using to cast must be on the same Wi-Fi network as your Chromecast.
    3. You must be running the latest version of the Chromecast-enabled app. You can always double check that you are on the latest version by visiting the Google Play Store.



     

    Cast from Chromecast-enabled apps to your TV

    1. Make sure that the phone you are using to cast is on the same Wi-Fi network as your Chromecast or TV with Chromecast built-in.
    2. Open a Chromecast-enabled app.
    3. Tap the Cast button Inactive cast extension.

      Note: The Cast button isn't located in the same place on all Chromecast-enabled apps.

    4. Tap the device you'd like to cast to.


    5. When you're connected, the Cast button will turn color, letting you know you're connected.
    6. Select the app like Youtube, Browser, Google Music etc and look for the Cast icon as shown in the image below.

    You can now cast videos, movies and TV shows directly to your TV.
    To stop casting, tap the Cast button and then Disconnect.
    You can also watch this step-by-step guide to do the same


    You can check more details here : Samsung Galaxy A51

  • What is the screen refresh rate of Samsung Galaxy A51?

    M

    Answered By Mahesh Saxena | 1 years ago

    The screen refresh rate of the Samsung Galaxy A51 is the usual 60 Hz which is also great keeping the display specifications in mind.

    Check Full Device Specifications Samsung Galaxy A51

  • How to record calls on Samsung Galaxy A51 ?

    N

    Answered By Nikhil Sengupta | 1 years ago

    To record calls on Your phone Follow the steps below:


    1. Download the ACR call recording app from the play store
    2. Then Follow the instructions from the app and allow all the access to the app as shown in the Image below
    3. Then Tap the three bar on the top left of the app.
    4. There you will find the Enable option on the top.
    5. Enable it and enjoy the app.


    You can check the complete specs of this phone:



    You can also check this video for more detailed information: Samsung Galaxy A51

  • How to increase the speed of Samsung Galaxy A51 ?

    P

    Answered By Prabal Manju | 1 years ago

    To Increase the speed of your slow Android phone here is the guide to speed it up in 5 Minutes

    1. Close all your unused apps.
      1. Closing all the apps which you are not using saves a lot of memory usages which can be utilized by other apps to make it run faster.
    2. Clean all the app cache
      1. Download Clean Master software from the Play store (here)
      2. Press Junk Files and let it do its work 
      3. After that press on Phone Boost option.
    3. Disable the Animations
      1. Go to "Settings"
      2. Then Go to "About phone"
      3. Tap on " Build Number" 7 times.
      4. Then Go back to settings and Tap on " Developer Option"
      5. Scroll Down to "Windows Animation Scale". as shown in the Image below
      6. Tap on "Animation Off".

    You can also check the most popular video on youtube to speed up your Android without installing any software:

    You can check the complete specs of this phone: Samsung Galaxy A51

  • How to enable Google Assistant in Samsung Galaxy A51 ?

    P

    Answered By Pavithra Subramanium | 1 years ago

    You can enable Google Assistant by long-pressing the Home Button or saying "Ok Google".

    Google will be there to help you.

    To Enable "OK Google" voice Recognition you need to follow below steps:
    1. Go to the "Google" App.
    2. Select "Setting" from the bottom right.
    3. Go to "Voice" and then "Voice Match"
    4. Choose when you want Google to listen to "Ok Google" and set it up by repeating it 3 times.
    Make sure, Google Play Services and Google App is up to date.

    You can see the video on how to enable:

    You can see detailed specs of the phone here: Samsung Galaxy A51
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